Label	Element	Value
Innovator U.S. Small Cap Managed Floor ETF® \| Financial [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	23.50%
Innovator U.S. Small Cap Managed Floor ETF® \| Consumer, Non-cyclical [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	22.10%
Innovator U.S. Small Cap Managed Floor ETF® \| Industrial [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	15.20%
Innovator U.S. Small Cap Managed Floor ETF® \| Consumer, Cyclical [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	10.90%
Innovator U.S. Small Cap Managed Floor ETF® \| Technology [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	9.50%
Innovator U.S. Small Cap Managed Floor ETF® \| Energy [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	6.50%
Innovator U.S. Small Cap Managed Floor ETF® \| Communications [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	3.80%
Innovator U.S. Small Cap Managed Floor ETF® \| Basic Materials [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	3.70%
Innovator U.S. Small Cap Managed Floor ETF® \| Utilities [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	2.10%
Innovator U.S. Small Cap Managed Floor ETF® \| Cash & Other [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	2.70%